Phase Transformations in the Mixed Lithium-Magnesium Imide Li 2 Mg(NH) 2

Z. A. Matysina; S. Yu. Zaginaichenko; D. V. Schur; Al. D. Zolotarenko; An. D. Zolotarenko; M. T. Gabdulin; L. I. Kopylova; T. I. Shaposhnikova

doi:10.1007/s11182-019-01662-7

Phase Transformations in the Mixed Lithium-Magnesium Imide Li₂Mg(NH)₂

Authors: Matysina Z.A.¹, Zaginaichenko S.Y.¹, Schur D.V.¹, Zolotarenko A.D.¹, Zolotarenko A.D.¹, Gabdulin M.T.²^,3, Kopylova L.I.¹, Shaposhnikova T.I.¹
Affiliations:
1. I. N. Franzevich Institute of Materials Science Problems of the National Academy of Sciences of Ukraine
2. Kazakh-British Technical University
3. Al-Farabi Kazakh National University
Issue: Vol 61, No 12 (2019)
Pages: 2244-2252
Section: Article
URL: https://journal-vniispk.ru/1064-8887/article/view/241349
DOI: https://doi.org/10.1007/s11182-019-01662-7
ID: 241349

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Abstract

A statistical theory of structural-phase transformations in imide Li₂Mg(NH)₂ is developed, free energies of three phases of imide α, β, γ are calculated, and their state diagrams are determined. Also, the isotherm, isobar, and isopleth curves are examined. Possible manifestation of the hysteretic effect is demonstrated for α- and β-phases. The results of calculations are compared with the experimental data.